Run mypy in strict mode

clsprop/__init__.py

@@ -35,16 +35,17 @@ def name(cls, name):
 """
 
 import sys
+import typing as t
 
 
 class clsprop(property):
-    def __get__(self, obj, objtype=None):
+    def __get__(self, obj: t.Any, objtype: t.Any = None) -> t.Any:
         return super().__get__(objtype)
 
-    def __set__(self, obj, value):
+    def __set__(self, obj: t.Any, value: t.Any) -> None:
         super().__set__(type(obj), value)
 
-    def __delete__(self, obj):
+    def __delete__(self, obj: t.Any) -> None:
         # This is never called; there seems to be no way to make
         # this work.
         super().__delete__(type(obj))

pyproject.toml

@@ -23,6 +23,9 @@ line-length = 88
 
 [tool.ruff.format]
 quote-style = "single"
+
+[tool.mypy]
+strict = true
 [build-system]
 requires = ["poetry-core"]
 build-backend = "poetry.core.masonry.api"

test_clsprop.py

@@ -1,6 +1,7 @@
-import clsprop
 import pytest
 
+import clsprop
+
 BUG_FIXED = False